The _______operation performs a set union of two “similarly structured” tables
Union
Join
Product
Intersect
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1
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The _________ provides a set of operations that take one or more relations as input and return a relation as an output.
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2
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Course(course_id,sec_id,semester) Here the course_id,sec_id and semester are __________ and course is a _________
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3
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Student(ID, name, dept name, tot_cred)
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4
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By default, the order by clause lists items in ______ order.
Solution |
5
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To display the salary from greater to smaller and name in ascending order which of the following options should be used?
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6
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The term _______ is used to refer to a row.
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7
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This query does which of the following operation?
Solution |
8
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The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
Solution |
9
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Using which language can a user request information from a database?
Solution |
10
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A relational database consists of a collection of
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